Workshop on ‘LTE System Modelling Tool’ from IS-Wireless
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Workshop on ‘LTE System Modelling Tool’ from IS-Wireless

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Here are materials from Workshop on ‘LTE System Modelling Tool’ delivered in February 2013 in Warsaw, Poland. ...

Here are materials from Workshop on ‘LTE System Modelling Tool’ delivered in February 2013 in Warsaw, Poland.

Are you interested in attending top in class LTE/LTE-Advanced courses? Please have a look on our course portfolio: http://is-wirelesstraining.com/course-map-2 or contact us directly: sales@is-wireless.com.

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Workshop on ‘LTE System Modelling Tool’ from IS-Wireless Workshop on ‘LTE System Modelling Tool’ from IS-Wireless Presentation Transcript

  • LTE System Modelling Tools
  • LTE System Modelling ToolsOutline • LTE Introduction • 4G-online.net Introduction • 4G-online.net Example Use Cases (www) • LTE MAC Lab Introduction • LTE MAC Lab Toolbox Content (Matlab) • LTE PHY Lab Introduction • LTE PHY Lab Toolbox Content (Matlab) • Q&A Copyright © IS-Wireless | www.is-wireless.com 2
  • LTE Introduction
  • LTE Introduction3GPP Systems’ Evolution 1992 1997 2000 2005 2009 2011/2012 GSM GPRS UMTS HSPA LTE LTE-Advanced 2G 2.5G 3G 3.5G 3.9G 4G Rel. 96 Rel. 5 Phase 1 Rel. 99 Rel. 8 Rel. 10 3GPP Rel. 97 Rel. 6 Phase 2 Rel. 4 Rel. 9 Rel. 11 Release Rel. 98 Rel. 7 UL: 128kbps UL: 11Mbps UL: 75Mbps UL: 500Mbps Highest Voice only 14.4kbps DL: 384kbps DL: 28Mbps DL: 325Mbps DL: 1Gbps Data Rate Copyright © IS-Wireless | www.is-wireless.com 4
  • LTE IntroductionGoals / Requirements for LTE and SAE Standardization work for LTE and SAE started in December 2004 High data rate/low latency/packet optimized RAN All IP based/flat core network architecture Fixed EPC eNB IMS/Services/ aGW Internet/PSTN WiMAX cdma200 eNB GERAN/ UTRAN LTE Goals/Requirements SAE Goals/Requirements • High speed (up to 350km/h) • Access for all NWs (interworking/global roaming) • Low latency (below 10ms) • IMS for all NWs • Large throughputs (DL 100Mbps, UL 50Mbps) • Easy migration to EPS (from 2G/3G networks) • VoIP Capacity (200 users in 5MHz BW) • Flat IP network (‘always-on’ concept) • Lower bit cost • QoS Support for all services • Flexible and scalable BW and spectrum • Policy and charging • Flat RAN network (only eNBs) Copyright © IS-Wireless | www.is-wireless.com 5
  • LTE IntroductionLTE Details LTE Network Uu S1-U S5 eNB SGW PGW Internet / IMS ... X2 S11 Uu eNB S1-MME MME S6a HSS LTE Radio Interface Radio Interface Technologies • Multicarrier Transmission: DL OFDMA, UL SC-FDMA • Shared data channels with fast update (1ms) and multi- layer retransmissions eNB • Adaptive Modulation and Coding • Multi Antenna Transmission: DL MIMO (2 or 4 antennas) • Scalable System BW: 1.4, 3, 5, 10, 15, 20 MHz • Quality-of-Service on Radio Interface Copyright © IS-Wireless | www.is-wireless.com 6
  • 4G-online.net
  • 4G-online.netLTE and WiMAX Analisys Tool • 4G-online.net is an advanced planning and analisys tool that can be used for: • Coverage and capacity prediction • RRM features evaluation • Technology business casing • Main Features: • Standalone or Web-based • Support for LTE and Mobile WiMAX • All LTE and Mobile WiMAX channel bands and bandwidths • Channel models for pathloss, shadowing, multipath • Traffic and QoS models • RRM functionalities: Scheduling, admission control, congestion control, link adaptation, handover • 2x2 MIMO schemes • Frequency reuse schemes • Configuration: • MCS tables • RRM functionalities parameters • Environmental and propagation conditions • Base station and terminal configuration Copyright © IS-Wireless | www.is-wireless.com 8
  • 4G-online.net LTE and WiMAX Analisys Tool Reflects Dynamic Radio System BehaviorMain Features of the 4G-online.net:• Downlink and Uplink 4G-online.net models radio network:• Multiple Mobiles and BSs • scheduling • interference• Support for LTE and WiMAX • mobility• Pathloss, shadowing and multipath • propagation• Traffic and QoS models• RRM functionalities• Frequency reuse schemes General Block Diagram of 4G-online.net Packet Packet Packet Traffic Traffic Traffic eNB MAC UE 1 MAC … UE x MAC L1: PHY L1: PHY L1: PHY channel channel 4G-online.net Copyright © IS-Wireless | www.is-wireless.com 9
  • 4G-online.netGeneral Algorithm Flow Start Generate channels Generate UEs’ positions and mobility settings t=0 Traffic generation Handovers Admission control Update UE locations Scheduling & Congestion and propagation control conditions PHY Layer abstraction and evaluation for all links t = t+TTI Update results n t = tend? and statistics y Stop Copyright © IS-Wireless | www.is-wireless.com 10
  • LTE MAC Lab
  • LTE MAC LabSystem Level Simulator Dynamic Radio System Behavior Model General Block Diagram of LTE MAC Lab Packet Packet Packet Traffic Traffic Traffic eNB MAC UE 1 MAC … UE x MAC L1: PHY L1: PHY L1: PHY channel channel LTE PHY Lab LTE MAC Lab Copyright © IS-Wireless | www.is-wireless.com 12
  • LTE MAC LabGeneral Algorithm Flow Start Generate channels Generate UEs’ positions and mobility settings t=0 Traffic generation Update UE locations Scheduling & Link and propagation Adaptation conditions PHY Layer abstraction and evaluation for all links t = t+TTI Update results n t = tend? and statistics y Stop Copyright © IS-Wireless | www.is-wireless.com 13
  • LTE MAC LabGeneral Algorithm Flow LTE MAC Lab Main Algorithm LTE MAC Lab Architecture Copyright © IS-Wireless | www.is-wireless.com 14
  • LTE PHY Lab
  • LTE PHY LabTME-UTRA Physical Layer Model Comprehensive implementation of the 3GPP Rel 8 E-UTRA PHY Downlink Uplink eNB General Block Diagram of LTE PHY LabTM DOWNLINK 101010111001… 101010111001… eNB Multipath UE MAC Layer MAC Layer PHY TX Channel PHY RX UPLINK 101010111001… 101010111001… eNB Multipath UE MAC Layer MAC Layer PHY RX Channel PHY TX Copyright © IS-Wireless | www.is-wireless.com 16
  • LTE PHY Lab DL: eNB Transmitter Block Structure Copyright © IS-Wireless | www.is-wireless.com 17